From c5a53ecb243bf6134589d9755c4766bb765843fd Mon Sep 17 00:00:00 2001
From: David Dawes <davidd@remitly.com>
Date: Sat, 16 Jun 2018 15:45:01 -0700
Subject: [PATCH] Use Windows specific __cpuid() for Windows.

---
 src/crypto/verus_hash.h | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/crypto/verus_hash.h b/src/crypto/verus_hash.h
index 85f3c4830..e68b0b35e 100644
--- a/src/crypto/verus_hash.h
+++ b/src/crypto/verus_hash.h
@@ -11,7 +11,9 @@ This provides the PoW hash function for Verus, enabling CPU mining.
 #include <cstring>
 #include <vector>
 
+#if !XERCES_HAVE_INTRIN_H
 #include <cpuid.h>
+#endif
 
 extern "C" 
 {
@@ -94,8 +96,16 @@ extern void verus_hash(void *result, const void *data, size_t len);
 inline bool IsCPUVerusOptimized()
 {
     unsigned int eax,ebx,ecx,edx;
-
+#ifdef _WIN32
+    int CPUInfo[4];
+    CPUInfo[0] = &eax;
+    CPUInfo[1] = &ebx;
+    CPUInfo[2] = &ecx;
+    CPUInfo[3] = &edx;
+    if (!__get_cpuid(CPUInfo, 1))
+#else
     if (!__get_cpuid(1,&eax,&ebx,&ecx,&edx))
+#endif
     {
         return false;
     }